C#使用Cookie方法

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代碼Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->　//寫入protected void Button1_Click(object sender, EventArgs e){HttpCookie cookie=new HttpCookie("MyCook");//初使化并設置Cookie的名稱DateTime dt=DateTime.Now;TimeSpan ts = new TimeSpan(0, 0, 1,0,0);//過期時間為1分鐘cookie.Expires = dt.Add(ts);//設置過期時間cookie.Values.Add("userid", "userid_value");cookie.Values.Add("userid2","userid2_value2");Response.AppendCookie(cookie);//輸出該Cookie的所有內容//Response.Write(cookie.Value);//輸出為：userid=userid_value&userid2=userid2_value2 
　　}//讀取protected void Button2_Click(object sender, EventArgs e){// HttpCookie cokie = new HttpCookie("MyCook");//初使化if (Request.Cookies["MyCook"]!=null){//Response.Write("Cookie中鍵值為userid的值:" + Request.Cookies["MyCook"]["userid"]);//整行//Response.Write("Cookie中鍵值為userid2的值" + Request.Cookies["MyCook"]["userid2"]);Response.Write(Request.Cookies["MyCook"].Value);//輸出全部的值
　　　　}}//修改Cookieprotected void Button3_Click(object sender, EventArgs e){//獲取客戶端的Cookie對象HttpCookie cok = Request.Cookies["MyCook"];if (cok != null){//修改Cookie的兩種方法cok.Values["userid"] = "alter-value";cok.Values.Set("userid", "alter-value");//往Cookie里加入新的內容cok.Values.Set("newid", "newValue");Response.AppendCookie(cok);}      }//刪除Cookieprotected void Button4_Click(object sender, EventArgs e){HttpCookie cok = Request.Cookies["MyCook"];if (cok != null){if (!CheckBox1.Checked){cok.Values.Remove("userid");//移除鍵值為userid的值
　　　　　　}else{TimeSpan ts = new TimeSpan(-1, 0, 0, 0);cok.Expires = DateTime.Now.Add(ts);//刪除整個Cookie，只要把過期時間設置為現在
　　　　　　}Response.AppendCookie(cok);}}

轉自：http://www.cnblogs.com/kevin-top/archive/2010/07/04/1770726.html